Trojan.Agent.MOC
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 0 |
| First Seen: | April 3, 2026 |
| OS(es) Affected: | Windows |
Trojan.Agent.MOC is a Trojan horse infection that targets computers running the Windows operating system. Like other threats in the Trojan.Agent family, it is designed to infiltrate a system quietly, without displaying any obvious warnings or prompts, and then carry out malicious activities in the background while the user remains unaware that anything is wrong. With a danger level that places it among more serious threats, Trojan.Agent.MOC should be treated as a significant security risk that requires prompt attention.
Table of Contents
What Trojan.Agent.MOC Does
Once active on a system, Trojan.Agent.MOC generally behaves like a typical Trojan: it attempts to gain a strong foothold on the infected machine and may grant remote attackers a degree of control over it. Threats in this category are commonly used to delete or corrupt files, steal sensitive information such as saved passwords or personal data, alter system settings without permission, and monitor the victim's computer activity. Some variants may also download and install additional malicious components, effectively opening the door to further infections. Because Trojans like this one are built to operate covertly, the damage they cause can go unnoticed for extended periods of time.
How It Usually Spreads
Trojans in this family typically rely on deception to reach their targets. The most common infection method is through email attachments disguised as harmless or legitimate files, including formats such as .avi, .pif, .exe, or even .jpg files that actually conceal executable malicious code. Trojan.Agent.MOC may also be bundled with pirated software, fake downloads, cracked programs, or distributed through deceptive links on compromised or malicious websites. Because the installation process is silent, victims often have no idea the threat has been placed on their system until unusual behavior appears or a security scan detects it.
Risks for the User
The presence of Trojan.Agent.MOC on a computer can lead to serious consequences. Since Trojans of this type can gain extensive control over an infected system, users face risks including loss or corruption of important files, theft of login credentials and other sensitive information, unauthorized changes to system configurations, and ongoing surveillance of online and offline activity. In some cases, infected machines may be used as a launching point for further attacks or to download other forms of malware, compounding the damage over time.
Signs of Infection
Because Trojans are built for stealth, visible symptoms are not always present. However, users may notice warning signs such as unexplained slowdowns in system performance, programs crashing or behaving erratically, unfamiliar processes running in the background, changes to browser or system settings that were not made intentionally, or unusual network activity when no legitimate applications should be transmitting data. Any of these symptoms can indicate the presence of Trojan.Agent.MOC or a similar threat.
How to Stay Protected
Protecting against Trojan.Agent.MOC and similar threats starts with caution around email attachments and downloads, especially from unknown or untrusted senders. Users should avoid opening files with unexpected extensions, refrain from downloading pirated software or cracks, and keep their operating system and installed applications updated with the latest security patches. Running reputable, up-to-date security software and performing regular system scans can help detect and remove threats before they cause significant harm. Maintaining backups of important files also reduces the impact of any potential infection, ensuring that data can be recovered even if a Trojan manages to slip through.
Analysis Report
General information
| Family Name: | Trojan.Agent.MOC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
faf8bde10965bb849c5a5623ff226d00
SHA1:
5be32591c78279ec9fe37ab7fa1453f6ff087d0d
SHA256:
5BC1B16D3705119C1E5A2FE891D6EA360EA5F6DAF9A13EA88546414FF656B920
File Size:
9.23 MB, 9227776 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has exports table
- File has TLS information
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
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- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name | Microsoft Corporation |
| File Description | Windows Update Assistant |
| File Version | 11.0.0.2411 |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Product Name | Windows Update Assistant |
| Product Version | 11.0.0.2411 |
File Traits
- x64
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 14,654 |
|---|---|
| Potentially Malicious Blocks: | 225 |
| Whitelisted Blocks: | 14,318 |
| Unknown Blocks: | 111 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Agent.KUS
- BruteForce.GA
- BruteForce.O
- HackAgent.GDA
- Trojan.Downloader.Gen.AII
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- Trojan.Filecoder.Gen.HD
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
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| Network Winsock2 |
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| Network Info Queried |
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| User Data Access |
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